EntityQ95745348· pop 15· linked from 28 articlesadditive functionSign in to savearithmetic function such that the image of the product of two coprimes is the sum of their imagesConnectionsnatural numberEntityprime numberEntityintegerEntitynumber theoryEntitylogarithmEntityabstract algebraEntitynormal distributionEntityringEntitydivisorEntitycoprimeEntityOn-Line Encyclopedia of Integer SequencesEntityarithmetic functionEntitymultiplicative functionEntitysigma additivityEntityadditive mapEntitycompletely multiplicative functionEntityprime omega functionEntityCategoriesAdditive functionsArithmetic functions